diff --git a/enhancer/cli/train_config/dataset/Vctk.yaml b/enhancer/cli/train_config/dataset/Vctk.yaml
index a5a5b5f..0acbb36 100644
--- a/enhancer/cli/train_config/dataset/Vctk.yaml
+++ b/enhancer/cli/train_config/dataset/Vctk.yaml
@@ -4,7 +4,7 @@ root_dir : /scratch/c.sistc3/DS_10283_2791
 duration : 4.5
 stride : 0.5
 sampling_rate: 16000
-batch_size: 128
+batch_size: 64
 valid_minutes : 15
 files:
   train_clean : clean_trainset_28spk_wav